Solar System

100 Kilowatt Municipal Power Complementary Microgrid

  • Integrated photovoltaic, energy storage access integrated on-grid switching function Integrated local EMS function
  • Photovoltaic is directly connected, without the need for a combiner box to support multiple access of batteries.
  • Flexible configuration and modular design, easy to expand
  • 100% three-phase unbalanced load access
  • Seamless switching between on-grid and off-grid

Product Overview:

The integrated system combines photovoltaic energy sources, energy storage, and on-grid/off-grid switching, offering seamless integration with local energy management systems (EMS). This system supports direct connection of photovoltaic panels without the need for a combiner box, providing the flexibility to connect multiple batteries for energy storage. Designed for scalability, the system's modular structure allows for easy expansion based on power requirements. It also supports 100% three-phase unbalanced load access, ensuring reliable performance even under variable loads. With seamless switching between on-grid and off-grid modes, the system ensures continuous and efficient energy use, enhancing reliability and flexibility for both residential and commercial installations.

Key Features:

  • Integrated Solar and Energy Storage Access: Eliminates the need for a combiner box and allows for multiple battery connections.
  • On-Grid/Off-Grid Switching: Effortlessly transitions between on-grid and off-grid modes for uninterrupted energy supply.
  • Local EMS Integration: Local energy management system for optimized energy usage and grid interaction.
  • Modular Design: Flexible configuration allows for easy expansion to meet growing energy demands.
  • Three-Phase Unbalanced Load Support: Accommodates 100% unbalanced loads, providing stable performance even with irregular loads.

This solution offers enhanced reliability, scalability, and energy efficiency, making it ideal for a wide range of applications where energy independence and reliability are crucial.

Technical Specifications:

  • Control Algorithm: PWM or MPPT (Maximum Power Point Tracking) for optimized solar energy conversion, ensuring maximum power extraction from solar panels.
  • Switching Function: Integrated on-grid and off-grid switching for seamless transition, ensuring uninterrupted power supply.
  • Load Compatibility: 100% three-phase unbalanced load access, providing stable power even with irregular loads.
  • Battery Integration:
    • Supports flexible battery configurations (lithium, lead-acid, lead-carbon).
    • Efficient battery charge/discharge management with temperature compensation to extend battery life.
  • Modular Design: Easy to expand with flexible configuration options.
  • Local EMS Function: Energy Management System for real-time monitoring and control of energy consumption and storage.
  • Display: LCD full-screen display for real-time status, monitoring, and parameter adjustments.
  • Environmental Protection: IP65-rated for operation in harsh environments (high altitude, high temperature, and cold conditions).
  • Monitoring and Control: Supports multiple wireless monitoring methods (RS 485, Wi-Fi, GPRS).
  • Protection Features: Over-current, short-circuit, reverse connection, and over-temperature protection for enhanced safety and reliability.

Block Diagram Details:

  • Photovoltaic Input Section:

    • Integrated MPPT or PWM controller for optimal solar energy conversion.
    • Direct connection to photovoltaic panels without the need for a combiner box.

  • Battery Management and Storage Unit:

    • Monitors and manages battery voltage, current, and temperature for safe and efficient charging.
    • Supports various battery types (lithium, lead-acid, and lead-carbon).

  • Inverter and On/Off-Grid Switching:

    • Converts DC power from batteries or solar panels to AC power for load use.
    • Seamlessly switches between on-grid and off-grid modes for uninterrupted power supply.

  • Energy Management System (EMS):

    • Local EMS monitors and controls the overall energy flow, ensuring optimized usage of solar energy and battery storage.

  • Load Distribution and Protection Circuit:

    • Ensures stable voltage and frequency for all connected loads, even in three-phase unbalanced load conditions.
    • Includes over-current, short-circuit, reverse polarity, and temperature protection.

  • User Interface Module:

    • Full-screen LCD display for real-time system status, battery level, and operational data.

For more information, please contact RF Point.


Household Solar Microgrid System

Designed to provide reliable and sustainable power to residential homes, integrating solar energy generation with energy storage for seamless off-grid and on-grid operation. This system allows for the efficient use of solar power while ensuring continuous power supply even during grid outages, offering high flexibility in energy management.

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